package com.sky.controller.user;

import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.entity.Dish;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;

@RestController("userDishController")
@RequestMapping("/user/dish")
@Slf4j
@Api(tags = "C端-菜品浏览接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId) {
        //1.定义redis数据库中的key
        String key = "dish:"+categoryId;
        //2.根据key获取value
        Object o = redisTemplate.opsForValue().get(key);
        //3.判断数据库中是否存在数据
        if (o!=null){
            return Result.success((List<DishVO>) o);
        }
        //4.查询起售中的菜品
        Dish dish = Dish.builder().categoryId(categoryId).status(StatusConstant.ENABLE).build();
        //5.不存在,查询mysql数据库
        List<DishVO> dishVOList = dishService.listWithFlavor(dish);
        //6.存储到redis数据库中
        redisTemplate.opsForValue().set(key,dishVOList);
        return Result.success(dishVOList);
    }

}